belong.io.gs

function Twitter_RSS() {
  return; 
}
 
function doGet(e) {
   
  var widgetID = e.queryString? e.queryString : "ERROR_NO_ID_FOUND";
  var cache = CacheService.getPublicCache();
  var id = "Twitter" + widgetID;
  var rss = cache.get(id);
   
  if ( ! rss ) {
    rss = getTweets(widgetID);
    cache.put(id, rss, 120); // Expire in 2 minutes
  }
   
  return ContentService.createTextOutput(rss)
  .setMimeType(ContentService.MimeType.XML);
}
 
function getTweets() {
  try {
           
  url   = "http://belong.io";
    
  widget  = UrlFetchApp.fetch(url);

  regex = new RegExp(/<span class="item-via"><a href="([^"]+)/ig);
  
     
    rss  = '<?xml version="1.0"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">';
    rss += ' <channel><title>Just the tweets on belong.io</title>';

    while ((vialink = regex.exec(widget)) !== null) {
        rss += "<item>";
        rss += "<link>" + vialink[1] + "</link>";
        rss += "</item>";            
    }

    rss += "</channel></rss>";
    return rss;

    
    } catch (e) {
    Logger.log(e.toString());
  }
  
    
}